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Finding the Fourth Proportional to 65,908, 98,874.44 and 26,468.20

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Solution

The fourth proportional to 65,908, 98,874.44 and 26,468.20 is: 39,707.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,908 : 98,874.44 = 26,468.20 : x
  2. Step 2: Convert to fraction form
    65,908/98,874.44 = 26,468.20/x
  3. Step 3: Cross multiply
    65,908x = 98,874.44 × 26,468.20
  4. Step 4: Simplify right side
    65,908x = 2,617,028,452.81
  5. Step 5: Solve for x
    x = 2,617,028,452.81/65,908
  6. Step 6: Final answer
    x = 39,707.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.